Hingham: The film “Switch” delivers straight answers to today’s most controversial energy questions, as energy visionary Dr. Scott Tinker travels the world, exploring leading energy sites from coal to solar, oil to biofuels, most of them highly restricted and never before seen on film. Wednesday, 7 p.m. Hingham Public Library, 66 Leavitt St. Free. 781-741-1405, www.hinghamlibrary.org.

Norwood: “Next to Normal” is a
musical about a family trying to take care of themselves and each other. Friday and Saturday 8 p.m., Sunday, 2 p.m. Norwood Theatre, 109 Central St. $23 to $27. www.vendini.com.

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